FossaMail is an Open Source, Mozilla Thunderbird-based mail, news and chat client for Windows, brought to you by the Pale Moon developer. 64-Bit also available.

FossaMail is an Open Source, Mozilla Thunderbird-based mail, news and chat client for Windows, brought to you by the Pale Moon developer (and therefore not affiliated with the Mozilla Corporation). 64-Bit also available.It is an optimized and reconfigured re-build of Mozilla Thunderbird ESR.FossaMail: Is built from source with compiler optimizations geared towards an as stable and smooth operation of the client as possible (Pale Moon-alike optimizations). Uses its own profile folder on your system. This means it will not interfere with existing Thunderbird installations. The default profile location is %APPDATA%FossaMail Should be compatible with all Thunderbird add-ons and plugins. Is available in 32-bit (x86) and 64-bit (x64) versions. Comes with an optional calendar/organizer add-on (Lightning) that will allow it to be used in a Microsoft Outlook style information manager fashion.

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